/Engine/Source/Runtime/CoreUObject/Public/Serialization/ArchiveStackTrace.h
Archive that stores a callstack for each of the Serialize calls and has the ability to compare itself to an existing package on disk and dump all the differences to log.
class FArchiveStackTrace : public [FLargeMemoryWriter](API\Runtime\Core\Serialization\FLargeMemoryWriter)
PRAGMA_DISABLE_DEPRECATION_WARNINGS